<?php if ( __get_custom( $__mainpost->ID, 'letters', 'true' ) == 'true' ) : ?>
<div class="navigation">
	<div class="letters">
		<?php $inis = __get_initials( $wp_query->posts ); ?>
		<?php $links = __make_links( $inis ); ?>
		<?php __echo_array( $links, ' - ', '', '' ); ?>
	</div>
</div>
<?php endif; ?>
